-
Article
Photovoltaic properties of GaSe and InSe junctions
Photovoltaic and photoelectronic properties of GaSe and InSe metal-semiconductor contacts are reported. The shape of the spectra, at room temperature, can be interpreted with reasonable values for diffusion le...
-
Chapter and Conference Paper
Indium Selenide Solar Cells
Indium selenide photovoltaic devices are described. Transport and photovoltaic properties are discussed. Efficiencies of 6% are reported and ways of improvement are proposed.
-
Article
Investigation of impurity levels inn-type indium selenide by means of Hall effect and deep level transient spectroscopy
We report the results of Hall effect and deep-level-transient-spectroscopy measurements onn-type indium selenide samples cleaved from non-intentionally doped material and from chlorine, tin, gallium sulphide or o...
-
Chapter and Conference Paper
Optimization and Limitations of ITO/p-InSe/Au Solar Cells
In this work we report the attempts to optimize the geometry and electrical parameters of ITO/p-InSe/Au solar cells. An increase of solar efficiency from 8% to 10% has been accomplished by vacuum annealing the...
-
Article
Acceptor levels in indium selenide. An investigation by means of the Hall effect, deep-level-transient spectroscopy and photoluminescence
Acceptor levels related to I, II, IV, and V group impurities in indium selenide are studied by means of the Hall effect, deep-level-transient spectroscopy (DLTS) and photoluminescence. Activation energies for ...
-
Article
Tin-related shallow donor in indium selenide
Hall-effect measurements in indium selenide samples doped with different amounts of tin are reported. The temperature dependance of free-electron concentration is interpreted through a single-donor single-acce...
-
Article
Excitonic absorption and Urbach's tail in bismuth sulfide single crystals
The absorption coefficient of bismuth sulfide single crystals has been measured through more than four orders of magnitude and in the range of energies from 1.25 to 1.70 eV. A detailed study as a function of t...
-
Article
Carrier scattering mechanisms in P-type indium selenide
Carrier scattering mechanisms in p-indium selenide are investigated by means of the temperature dependence of the Hall mobility (160–500 K) and thermopower (200–300 K). An anomalous behaviour of the Hall volta...
-
Article
Deep level transient spectroscopy measurement on tin-doped n-indium selenide
Deep level transient spectroscopy measurements in indium selenide samples doped with different amounts of tin are reported. Three tin-related electron traps have been detected with activation energies for emis...
-
Article
Positrons and electron-irradiation induced defects in the layered semiconductor InSe
The positron annihilation characteristics of the layered semiconductor InSe have been investigated. No evidence for low temperature positron trap** is found in as-grown and heavily deformed InSe. The tempera...
-
Article
Transport properties of silicon doped n-indium selenide
Hall effect and resistivity measurements in silicon doped indium selenide (InSe), from 7K to 500K, are reported. Results are interpreted through a model, previously proposed for tin doped InSe, that takes into...
-
Article
Time resolved photoluminescence of Cd-doped InSe
High resolution and time resolved photoluminescence in low resistivity Cd dopedp-type InSe in the 32K–155K temperature range are reported. The photoluminescence spectra consist of a broad band that turns out to h...
-
Article
Ultrastructure of chloroplasts of pine needles exposed to an industrial environment
In one- and two-year-old green needles ofPinus pinaster growing downwind from a coal-fired power station (main airborne pollutant SO2), mesophyll chloroplast alterations consisted in swelling of the lamellae (ran...
-
Chapter
Wide Binaries in the Hyades Cluster
With the purpose of studying the time evolution of the distribution of separations of binary systems, a long term effort is being made to obtain homogeneous samples of binaries of different ages. In this work,...
-
Article
Long-term results after combined modality treatment for non-metastatic osteosarcoma
Since the introduction of multimodality treatment, the prognosis of patients with high-grade non-metastatic osteosarcoma has significantly improved. A retrospective review was performed to assess the long-term...
-
Article
Cefepime monotherapy as an empirical initial treatment of patients with febrile neutropenia
Currently, monotherapy is considered a valid alternative to the combination antibiotic treatments used for initial, empirical management of febrile neutropenia. The advent of new cephalosporins warrants assess...
-
Article
Policy for the Management of the Pharmacovigilance Unified system in the Province Of Cordoba (SUFV)
-
Article
Improved somatic embryogenesis of grapevine (Vitis vinifera) with focus on induction parameters and efficient plant regeneration
A study of four parameters (induction medium, floral explant, developmental stage and year) was carried out to determine the best combination for the embryogenesis induction of eight grapevine (Vitis vinifera L.)...
-
Reference Work Entry In depth
Genetics of Accessing and Exploiting Hydrocarbons
Hydrocarbons abound in the environment and microorganisms are often capable of assimilating and degrading these normally recalcitrant molecules. In order to achieve this, bacteria have developed specific adapt...
-
Reference Work Entry In depth
Extrusion Pumps for Hydrocarbons: An Efficient Evolutionary Strategy to Confer Resistance to Hydrocarbons
Efflux pumps of the RND family are primarily involved in the extrusion of hydrocarbons. These pumps, specific to gram-negative bacteria, are composed of three components. Two components are transmembrane prote...
